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UNITED STATES PATENT OFFICE.

HARRY WIARD, OF SYRACUSE, NEW YORK.

PLOW -BEAM.

SPECIFICATION forming part of Letters Patent No. 229,216, dated June 22,1880.

Application filed April 12, 1880.

To all whom it'may concern:

Be it known that I, HARRY WIARD, of the city of Syracuse, Onondagacounty, State of New York, have invented certain new and usefulImprovements in Plow'Beams, of which the following is a description.

Myinvention relates to wrought-metal plowbeams, formed ineterably ofsteel, substantially as hereinafter described, and swaged into form, asclearly illustrated in the drawings; also in being formed withoutwelding or being highly heated, or otherwise strained or injured in theprocess of manufacture, and at a cost so small as to render its usepracticable, and which is strong and elastic.

I attain these objects in the manner described, and illustrated in theaccompanying drawings, in which- Figure .1. is a rolled bar of steel,formed with a web, a, and two flanges, b b; Fig. 2, the same, with atriangular piece cutout of it at the rear end and the flanges clippedand swaged into form for the front end of the beam; Fig. 3, frontheading-piece of the beam detached; Fig. 4, the beam with the rear endbent into form and the heading-piece affixed.

The construction is as follows: I take a straight rolled bar, Fig. 1,cut to the proper length for a beam,and cutfrom the web a, at the rearend, the acute-triangular piece at c. The bar then receives a lightheat, just sufficient to readily swage the parts into form, with thedownward curve as shown in Fig. 4, but without welding. The rear ends ofthe flanges b have a hole punched in them, through which a bolt, .1passes.

This gives a suflicient clas- (No model.)

ticity to the beam to relieve it from the shocks incident to a rigidbeam. The front end of the beam is clipped into the form shown in Fig.2, with the end of the web a projecting beyond the flanges, and a hole,cl, is punched through the web. A forked head-piece of malleable metal,Fig. 3, is slipped over the web, andfa thimble passes through a hole inits ends and the hole in the web at d, by which they are securelyfastened together, as seen in Fig. 4. The front end of the web enters arecess in the head-piece, as shown by the dotted lines, and the beam isfinished. A hole, a, is formed in the web to affix thejointer-standard,and others, where needed for other attachments.

Having thus fully described my improved wrought-steel plow-beam, Iclaiml. The plow-beam a, made without welding from a bar of wroughtmetal, with branches 1) b, formed by clipping from the rear end a tri'angular piece ofthe web of the bar, the branches being bent, as shown,to form an elastic beam at its attachment to the plow, substantially asdescribed.

2. The wrought-metal plow-beam it, formed from a flanged bar having itsfront end form ed as shown and described, in combination with themalleable head-piece f, fitted thereto, as set forth.

3. The heading-piece f, in combination with the flanged beam to, forforming the front end thereof, substantially as shown and described.

HARRY WIARD. Witnesses:

RIOHD. A. MOENTEE,

J. J. GREENOUGH.

